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occt/samples/mfc/standard/01_Geometry/src/ISession2D/ISession_Direction.cpp
2012-03-05 19:23:40 +04:00

121 lines
4.0 KiB
C++
Executable File

// ISession_Direction.cpp: implementation of the ISession_Direction class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "..\\GeometryApp.h"
#include "ISession_Direction.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#endif
IMPLEMENT_STANDARD_HANDLE(ISession_Direction,AIS_InteractiveObject)
IMPLEMENT_STANDARD_RTTIEXT(ISession_Direction,AIS_InteractiveObject)
#include "Graphic2d_SetOfSegments.hxx"
#include "gp_Vec2d.hxx"
#include "DsgPrs_LengthPresentation.hxx"
#include "Prs3d_ArrowAspect.hxx"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
ISession_Direction::ISession_Direction()
{
}
ISession_Direction::ISession_Direction(gp_Pnt& aPnt,gp_Dir& aDir,Standard_Real aLength,Standard_Real anArrowLength)
:myPnt(aPnt),myDir(aDir),myLength(aLength),myArrowLength(anArrowLength)
{}
ISession_Direction::ISession_Direction(gp_Pnt& aPnt,gp_Vec& aVec,Standard_Real anArrowLength)
:myPnt(aPnt),myDir(aVec),myArrowLength(anArrowLength)
{
myLength = aVec.Magnitude();
}
ISession_Direction::ISession_Direction(gp_Pnt2d& aPnt2d,
gp_Dir2d& aDir2d,
Standard_Real aLength)
:myPnt(gp_Pnt(aPnt2d.X(),aPnt2d.Y(),0)),myDir(gp_Dir(aDir2d.X(),aDir2d.Y(),0)),myLength(aLength)
{}
ISession_Direction::ISession_Direction(gp_Pnt2d& aPnt2d,
gp_Vec2d& aVec2d)
:myPnt(gp_Pnt(aPnt2d.X(),aPnt2d.Y(),0)),myDir(gp_Dir(aVec2d.X(),aVec2d.Y(),0))
{
myLength = aVec2d.Magnitude();
}
ISession_Direction::~ISession_Direction()
{
}
void ISession_Direction::Compute(const Handle(PrsMgr_PresentationManager3d)& aPresentationManager,
const Handle(Prs3d_Presentation)& aPresentation,
const Standard_Integer aMode)
{
Handle(Prs3d_ArrowAspect) anArrowAspect = myDrawer->ArrowAspect();
anArrowAspect->SetLength(myArrowLength);
myDrawer->SetArrowAspect(anArrowAspect);
gp_Pnt LastPoint = myPnt ;
LastPoint.Translate (myLength*gp_Vec(myDir)) ;
if (myText.Length() == 0)
DsgPrs_LengthPresentation::Add(aPresentation,myDrawer,myPnt,LastPoint,DsgPrs_AS_LASTAR);
else
{
gp_Pnt OffsetPoint = myPnt;
OffsetPoint.Translate ( (myLength) *gp_Vec(myDir)) ;
DsgPrs_LengthPresentation::Add(aPresentation,myDrawer,myText,myPnt,LastPoint, -myDir, OffsetPoint, DsgPrs_AS_LASTAR);
}
}
void ISession_Direction::Compute(const Handle(Prs3d_Projector)& aProjector,
const Handle(Prs3d_Presentation)& aPresentation)
{
}
void ISession_Direction::Compute(const Handle(PrsMgr_PresentationManager2d)& aPresentationManager,
const Handle(Graphic2d_GraphicObject)& aGrObj,
const Standard_Integer aMode)
{
Handle(Graphic2d_SetOfSegments) segment;
segment = new Graphic2d_SetOfSegments(aGrObj);
segment->Add(myPnt.X(),
myPnt.Y(),
myPnt.X()+myLength*myDir.X(),
myPnt.Y()+myLength*myDir.Y());
gp_Dir2d aFirstDir = gp_Dir2d(myDir.X(),myDir.Y()).Rotated (200*PI180) ;
segment->Add(myPnt.X()+myLength*myDir.X(),
myPnt.Y()+myLength*myDir.Y(),
myPnt.X()+myLength*myDir.X()+ myLength*aFirstDir.X()/5 ,
myPnt.Y()+myLength*myDir.Y()+ myLength*aFirstDir.Y()/5 );
gp_Dir2d aSecondDir = gp_Dir2d(myDir.X(),myDir.Y()).Rotated (-200*PI180) ;
segment->Add(myPnt.X()+myLength*myDir.X(),
myPnt.Y()+myLength*myDir.Y(),
myPnt.X()+myLength*myDir.X()+ myLength*aSecondDir.X()/5 ,
myPnt.Y()+myLength*myDir.Y()+ myLength*aSecondDir.Y()/5 );
}
void ISession_Direction::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
const Standard_Integer aMode)
{
}
void ISession_Direction::SetText(TCollection_ExtendedString & aText)
{
myText = aText;
}